ISRC DEF057303770
Verified recording
DEF057303770 is “Lute music - Italy: Lo spagnoletto - Il bianco fiore” by Cesare Negri,
registered on the CopyrightChains blockchain with CopyrightID
0x70e3e6200491b10a44d5064f52d3ef35ac948aa10d7804e653b1c2b439b6576e and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057303770.
Recording identifiers
- ISRC
- DEF057303770
- Title
- Lute music - Italy: Lo spagnoletto - Il bianco fiore
- Artist
- Cesare Negri
- CopyrightID (CopyrightChains transaction hash)
0x70e3e6200491b10a44d5064f52d3ef35ac948aa10d7804e653b1c2b439b6576e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:197f7776979eb3a74fb9bca6b5981182f34705b328d9bd0b00bab1eb05f5c261- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057303770
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Lute music - Italy: Lo spagnoletto - Il bianco fiore · Machine-readable JSON-LD